194130664 has 32 divisors (see below), whose sum is σ = 447995520. Its totient is φ = 76798656.

The previous prime is 194130647. The next prime is 194130683. The reversal of 194130664 is 466031491.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132604 + ... + 134059.

It is an arithmetic number, because the mean of its divisors is an integer number (13999860).

Almost surely, 2^194130664 is an apocalyptic number.

194130664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

194130664 is an abundant number, since it is smaller than the sum of its proper divisors (253864856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194130664 is a wasteful number, since it uses less digits than its factorization.

194130664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266689 (or 266685 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 194130664 is about 13933.0780518879. The cubic root of 194130664 is about 579.0259751721.

The spelling of 194130664 in words is "one hundred ninety-four million, one hundred thirty thousand, six hundred sixty-four".